The EMA8J1675P150E20D from ECHO Microwave is a Band Pass Filter with Frequency 1.6 to 1.75 GHz, Insertion Loss 2.5 dB, Rejection 20 to 55 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1675P150E20D can be seen below.